Sumários

Problem class

2 novembro 2016, 09:30 Gil Marques

Determining the parameters of a transformer using the data of the no-load  and short circuit tests.


Lecture nº 12

2 novembro 2016, 08:00 Gil Marques

Transformers. Auto-transformers. Transformers in three-phase circuits. Instrument transformers. Cooling transformers.


Aula de lab

28 outubro 2016, 09:30 Gil Marques

Work Nº 3


Pb class

27 outubro 2016, 11:30 Gil Marques

Magnetic circuit problem.


Lecture nº 11

27 outubro 2016, 10:00 Gil Marques

Transformer: Ratings, equivalent circuits, application to ac networks. Efficiency and voltage regulation.